KR100955173B1 - 광제어 필름 및 그것을 사용한 백라이트 장치 - Google Patents

광제어 필름 및 그것을 사용한 백라이트 장치 Download PDF

Info

Publication number
KR100955173B1
KR100955173B1 KR1020067020166A KR20067020166A KR100955173B1 KR 100955173 B1 KR100955173 B1 KR 100955173B1 KR 1020067020166 A KR1020067020166 A KR 1020067020166A KR 20067020166 A KR20067020166 A KR 20067020166A KR 100955173 B1 KR100955173 B1 KR 100955173B1
Authority
KR
South Korea
Prior art keywords
light
control film
light control
incident
total
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
KR1020067020166A
Other languages
English (en)
Korean (ko)
Other versions
KR20070015392A (ko
Inventor
히데키 에토리
Original Assignee
키모토 컴파니 리미티드
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 키모토 컴파니 리미티드 filed Critical 키모토 컴파니 리미티드
Publication of KR20070015392A publication Critical patent/KR20070015392A/ko
Application granted granted Critical
Publication of KR100955173B1 publication Critical patent/KR100955173B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
KR1020067020166A 2004-03-03 2005-03-02 광제어 필름 및 그것을 사용한 백라이트 장치 Expired - Fee Related KR100955173B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004059607 2004-03-03
JPJP-P-2004-00059607 2004-03-03

Publications (2)

Publication Number Publication Date
KR20070015392A KR20070015392A (ko) 2007-02-02
KR100955173B1 true KR100955173B1 (ko) 2010-04-29

Family

ID=34917980

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020067020166A Expired - Fee Related KR100955173B1 (ko) 2004-03-03 2005-03-02 광제어 필름 및 그것을 사용한 백라이트 장치

Country Status (6)

Country Link
US (1) US7699503B2 (enrdf_load_stackoverflow)
JP (1) JP4727574B2 (enrdf_load_stackoverflow)
KR (1) KR100955173B1 (enrdf_load_stackoverflow)
CN (1) CN100409037C (enrdf_load_stackoverflow)
TW (1) TW200602759A (enrdf_load_stackoverflow)
WO (1) WO2005085916A1 (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7320823B2 (en) * 2006-02-14 2008-01-22 Kimoto Co., Ltd. Light diffusing body and a transmission type screen
KR100802998B1 (ko) * 2006-12-01 2008-02-14 미래나노텍(주) 모아레 회피 패턴을 갖는 백라이트 유니트용 광학 시트
US8567977B2 (en) 2007-02-27 2013-10-29 Koninklijke Philips N.V. Illumination system and display device
KR100905241B1 (ko) * 2007-04-13 2009-07-01 엘지전자 주식회사 복수의 구조체를 포함하는 광학 필름 및 이를 포함하는백라이트 유닛
US20100247866A1 (en) * 2007-09-27 2010-09-30 Koji Nakahata Uneven surface film and light diffusive sheet
WO2009067308A1 (en) * 2007-11-19 2009-05-28 3M Innovative Properties Company Articles and methods of making articles having a concavity or convexity
WO2010005051A1 (ja) * 2008-07-10 2010-01-14 日本ゼオン株式会社 直下型バックライト装置及び液晶表示装置
JP2010117707A (ja) * 2008-10-16 2010-05-27 Asahi Kasei E-Materials Corp 光拡散板及び直下型点光源バックライト装置
US20100129617A1 (en) * 2008-11-21 2010-05-27 Corrigan Thomas R Laser ablation tooling via sparse patterned masks
US20100128351A1 (en) * 2008-11-21 2010-05-27 3M Innovative Properties Company Curved sided cone structures for controlling gain and viewing angle in an optical film
US20110070398A1 (en) * 2009-09-18 2011-03-24 3M Innovative Properties Company Laser ablation tooling via distributed patterned masks
CN105204096B (zh) * 2015-10-21 2018-04-06 合肥京东方显示光源有限公司 导光膜及其制备方法、导光板及其制备方法和回收方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07198911A (ja) * 1994-01-05 1995-08-01 Sekisui Chem Co Ltd 面光源装置用光線制御シート
JP2000075136A (ja) * 1998-09-01 2000-03-14 Nitto Denko Corp 光拡散偏光板
JP2003029007A (ja) * 2001-07-13 2003-01-29 Sumitomo Chem Co Ltd メタクリル酸メチル系樹脂板

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3790571B2 (ja) 1995-11-06 2006-06-28 株式会社きもと 光拡散性シートおよびそれを用いた液晶ディスプレイ用バックライトユニット
JPH09179113A (ja) * 1995-12-22 1997-07-11 Toray Ind Inc 液晶表示装置
JP3968155B2 (ja) * 1997-09-17 2007-08-29 大日本印刷株式会社 プリズムシート
JP2000047200A (ja) * 1998-07-31 2000-02-18 Hitachi Ltd 拡散反射板とそれを用いた液晶表示装置およびその製法
KR100429098B1 (ko) * 1998-12-09 2004-04-29 가부시키가이샤 도모에가와 세이시쇼 필러 렌즈 및 그 제조방법
US6752505B2 (en) * 1999-02-23 2004-06-22 Solid State Opto Limited Light redirecting films and film systems
JP2001235606A (ja) 1999-12-13 2001-08-31 Sumitomo Chem Co Ltd 反射機能及び透過機能を有する光学部材
JP4408166B2 (ja) * 2000-04-27 2010-02-03 大日本印刷株式会社 指向性拡散フィルム及びその製造方法、面光源装置及び液晶表示装置
JP2001356207A (ja) * 2000-06-12 2001-12-26 Tomoegawa Paper Co Ltd 光拡散部材
JP2002182017A (ja) * 2000-12-14 2002-06-26 Nippon Steel Chem Co Ltd 表面に凹凸形状を有する基板及びその製造方法
WO2003027189A1 (fr) * 2001-09-04 2003-04-03 Dai Nippon Printing Co., Ltd. Composition de revetement, revetement forme a partir de celle-ci, revetement antireflet, film antireflet et dispositif d'affichage d'image
US6963451B2 (en) * 2001-11-22 2005-11-08 Takiron Co., Ltd. Light diffusive sheet
JP2003178615A (ja) * 2001-12-12 2003-06-27 Ohtsu Tire & Rubber Co Ltd :The バックライト
JP2003203514A (ja) * 2002-01-07 2003-07-18 Toppan Printing Co Ltd 前方照明装置及びそれを用いた液晶表示装置
JP2004029091A (ja) 2002-06-21 2004-01-29 Teijin Chem Ltd ポリカーボネート樹脂製直下型バックライト用光拡散板

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07198911A (ja) * 1994-01-05 1995-08-01 Sekisui Chem Co Ltd 面光源装置用光線制御シート
JP2000075136A (ja) * 1998-09-01 2000-03-14 Nitto Denko Corp 光拡散偏光板
JP2003029007A (ja) * 2001-07-13 2003-01-29 Sumitomo Chem Co Ltd メタクリル酸メチル系樹脂板

Also Published As

Publication number Publication date
TW200602759A (en) 2006-01-16
KR20070015392A (ko) 2007-02-02
CN100409037C (zh) 2008-08-06
US7699503B2 (en) 2010-04-20
CN1926447A (zh) 2007-03-07
US20070183050A1 (en) 2007-08-09
JPWO2005085916A1 (ja) 2008-01-24
WO2005085916A1 (ja) 2005-09-15
TWI374315B (enrdf_load_stackoverflow) 2012-10-11
JP4727574B2 (ja) 2011-07-20

Similar Documents

Publication Publication Date Title
KR100937093B1 (ko) 광제어 필름
US7891856B2 (en) Optical film
JP5466617B2 (ja) 光制御フィルムおよびそれを用いたバックライト装置
EP0882930B1 (en) Surface light source element and liquid crystal display device, sign device and traffic control sign device using same
US20130063956A1 (en) Diffuser-integrated prism sheet for backlight units and method of manufacturing the same
KR100955173B1 (ko) 광제어 필름 및 그것을 사용한 백라이트 장치
JP5446196B2 (ja) 光学部品、バックライトユニット及び表示装置
JP2010210882A (ja) 光学シート及びそれを用いたディスプレイ装置
KR102235161B1 (ko) 돌출부들을 갖는 광학 플레이트, 광학 구조, 백라이트 모듈 및 디스플레이 장치
EP1903357A2 (en) Optical film
JP4191498B2 (ja) 光学素子、その製造方法及び液晶表示装置
KR100948482B1 (ko) 광제어 필름 및 그것을 사용한 백라이트 장치
JP4303538B2 (ja) 光制御フィルムおよびそれを用いたバックライト
JP2011064744A (ja) 光学シート、バックライトユニット及びディスプレイ装置
CN100442085C (zh) 光控制薄膜及使用了它的背照光装置
KR20140087417A (ko) 광학시트 및 그 제조방법
JP2011150078A (ja) 光学シート、バックライトユニットおよびディスプレイ装置
KR20070105586A (ko) 백라이트 어셈블리

Legal Events

Date Code Title Description
PA0105 International application

St.27 status event code: A-0-1-A10-A15-nap-PA0105

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

FPAY Annual fee payment

Payment date: 20130412

Year of fee payment: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

FPAY Annual fee payment

Payment date: 20140411

Year of fee payment: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

FPAY Annual fee payment

Payment date: 20150416

Year of fee payment: 6

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 6

FPAY Annual fee payment

Payment date: 20160408

Year of fee payment: 7

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 7

FPAY Annual fee payment

Payment date: 20170407

Year of fee payment: 8

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 8

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20180421

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20180421

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000